HelpViewer Application The HelpViewer is a standalone application to display html files which might be organized in a directory structure.
The program is written in tcl/tk and is based on the Tkhtml 3.0 library.
When starting the application, a dialog pops up, where you can drag&drop your prefered directory using the file explorer:
Features:
Once a directory is specified, the program traverses down the tree to search for all available html files.

html3widget - a tcl/tk megawidget Purpose: The html3widget is a tcl/tk package which implements a megawidget to render html + css.
The code is based on Tkhtml3.0 and as well HV3 which (for the moment) is not actively developed, but still offers a solid base to render html including css support.
The following picture illustrates of how a html file with underlying css bootstrap3.xx framework might look like:
The package might be used to implement an internal help viewer (for an application) in an easy way.